Piston Ring, Engine
PISTON RINGSRing End Gap
Top Compression Ring 0.20-0.36 mm (0.008-0.014 in.)
Second Compression Ring 0.30-0.55 mm (0.012-0.022 in.)
Oil Control (Steel Rails) 0.25-0.76 mm (0.010-0.030 in.)
Wear Limit-Compression Rings 0.75 mm (0.030 in.)
Wear Limit-Oil Control Steel Rails 1.88 mm (0.074 in.)
Ring Side Clearance
Top Compression Ring 3.8L 0.030-0.069 mm (0.0012-0.0027 in.)
Second Compression Ring 3.8L 0.041-0.085 mm (0.0016-0.0033 in.)
Oil Ring (Steel Ring) 0.015-0.225 mm (0.0006-0.0089 in.)
Side Clearance Wear Limit- Top Ring 0.10 mm (0.004 in.)
Side Clearance Wear Limit-2nd Ring 0.13 mm (0.005 in.)
Radial Wall Wear Limit Oil Ring Pack 0.038 mm (0.0015 in.)